Dana-Farber Cancer Institute

Republican presidential candidate Donald Trump gestures during a media availability prior to a campaign stop at Winnacunnet High School in Hampton, N.H., Friday, Aug. 14, 2015. (AP Photo/Charles Krupa)

Donald Trump and Dana-Farber: A Love Story

The Dana-Farber Cancer Institute has showered praise on Donald Trump for his charitable activities, but Trump hasn't given a dime.